Most consumers want to make food purchases that are smart for their wallets, their health and the environment. And while switching to a vegetarian or vegan diet can lower one’s impact on greenhouse gas emissions, it may not be realistic or healthful for everyone. Now, researchers report three ways that Americans can reduce the carbon footprint of their food purchases, without requiring drastic dietary changes.
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A greenhouse gas is a gas which absorbs infrared radiation. These gases, when they absorb this radiation, trap heat that would otherwise escape the planet’s atmosphere and filter off into space. Radiation which is unable to escape the Earth’s atmosphere is absorbed by the planet’s oceans and lands.
We need to be honest about not just the behavioral changes that will make the biggest difference in reducing emissions, but about what it will take to get there.
For about the last 10 years, environmental law professor Karl Coplan has been trying to winnow down his direct footprint of carbon-dioxide emissions. He has been successful, and has just published a book chronicling his efforts. …
Avoiding meat and dairy products is one of the biggest ways to reduce your environmental impact, according to recent scientific studies.